New details are pouring in today about Omar Mateen, the Muslim terrorist who killed 49 people at a nightclub in Orlando, Florida early Sunday morning.
According to GOP The Daily Dose, Mateen was a registered Democrat in the 18th Congressional District of Florida.
Mateen was also a security officer with a firearm license.
— Bradd Jaffy (@BraddJaffy) June 12, 2016
We will update you further as this story develops.